#page-ptr{ margin-top: 50px;}
.content{ margin-top: -40px;}
.biaoji{ font-size: 12px; margin-top: -20px; color: gray}
.biaoji button{ width: 90px; line-height: 20px; text-align: center; height: 20px; border: 1px red solid; background: none; border-radius: 5px; font-size: 16px; }